How many chill hours does 70592 get?

70592 averages 414 chill hours per winter, ranging from 183 to 532 across the last 10 years.

What hardiness zone is 70592?

70592 is in USDA hardiness zone 9a.

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The short answer

70592 averages 414 chill hours per winter (183–532 across 10 years) in USDA zone 9a.

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against 70592’s chill hours and zone:

Chill and zone requirements are comfortably met in 70592.

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Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 70592 get?: 70592 averages 414 chill hours per winter, ranging from 183 to 532 across the last 10 years.
What hardiness zone is 70592?: 70592 is in USDA hardiness zone 9a.

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[1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
[2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026